User Manual

- MSN portal

- America Online’s DSL service

• You use VPN and experience severe performance problems.

• You used a program to optimize MTU for performance reasons and now you are experiencing connectivity

or performance problems.

An incorrect MTU setting can cause Internet communication problems. For example,

you might not be able to access certain websites, frames within websites, secure

Note

To change the MTU size:

1. Launch a web browser from a computer or WiFi device that is connected to the network.

2. Type http://www.routerlogin.net.

A login window opens.

3. Enter the router user name and password.

The user name is admin. The default password is password. The user name and password are

case-sensitive.

The BASIC Home page displays.

4. Select ADVANCED > Setup > WAN Setup.

5. In the MTU Size field, enter a value from 64 to 1500.

6. Click the Apply button.

Your settings are saved.

If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are willing to experiment,

you can gradually reduce the MTU from the maximum value of 1500 until the problem goes away. The following

table describes common MTU sizes and applications.

Specify Your Internet Settings

Nighthawk X4S AC2600 Smart WiFi Router